<!--The content below is only a placeholder and can be replaced.-->
<div style="text-align:left">
  <h1>
    Welcome to {{ title }}!
  </h1>
  <div class="box">
    <div class="box-left">
      <app-nav-menu></app-nav-menu>
    </div>
    <div class="box-remain">
      aaaaaaaaa-----------------
      <hr />
    </div>
  </div>
  <div>
    <router-outlet></router-outlet>
  </div>
</div>
